Granted Patent
Utility
US 5,190,938 · App. 07/591,828
Derivatives of 2-hydroxythiophene and -furan fused with a nitrogen-containing ring and their application in therapy
Inventors:
Alain Badorc, Marie-Francoise Bordes, Daniel Frehel, Jean-Marc Herbert
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Oct 2, 1990
Inventors
Alain Badorc
Marie-Francoise Bordes
Daniel Frehel
Jean-Marc Herbert
Assignee (at issue)
Sanofi
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.